Subtract 20/35 from 21/6
1st number: 3 3/6, 2nd number: 20/35
21/6 - 20/35 is 41/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 35 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 6 × 35 = 210,
21/6 = 21 × 35/6 × 35 = 735/210 - Likewise, for the 2nd fraction, since 35 × 6 = 210,
20/35 = 20 × 6/35 × 6 = 120/210 - Subtract the two like fractions:
735/210 - 120/210 = 735 - 120/210 = 615/210 - After reducing the fraction, the answer is 41/14
- In mixed form: 213/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/6-20/35 21/6-40/35 21/12-20/35 21/6-20/70 63/6-20/35 21/6-60/35 21/18-20/35 21/30-20/35 21/42-20/35